Relative sea-level projections for Canada based on the IPCC Fifth Assessment Report and the NAD83v70VG national crustal velocity model
Data and Resources
Additional Info
| Field | Value |
|---|---|
| Creator | T.S. James, C. Robin, J.A. Henton, and M. Craymer |
| Summary | This report provides national and regional maps and national geospatial data files (geoTIFFs) of projected relative sea-level change across Canada for 2006 and every decade from 2010 to 2100. It updates and augments previous reports which included plots and tables of projected relative sea-level change at specified locations where a measurement of vertical land motion had been made by Global Positioning System (GPS). Here, gridded projections are provided at a resolution of 0.1º in latitude and longitude encompassing all coastal regions of Canada. The relative sea-level projections are based on the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR5) and on the NAD83v70VG national crustal velocity model. Projections are relative to 1986-2005, and are given for the median value and 5th and 95th percentiles for Representative Concentration Pathway (RCP) scenarios RCP2.6, RCP4.5, and RCP8.5. As well, the projected sea level at 2100 is given for an enhanced scenario where Antarctica is assumed to provide an additional 65 cm of global sea-level rise to the median projection of RCP8.5. For many purposes, the upper (95th percentile) of the high-emission RCP8.5 scenario may comprise the appropriate planning level, but if tolerance to the risk of sea-level rise is low, it may be appropriate to consider a larger amount of projected sea-level rise. |
| Local Relevance | This report provides maps and data for relative sea-level rise projections across all of Canada's coasts, inlcluding NWT. |
| Notes | In addition to the report and readme file accessible here, this report also includes a large collection of data files and maps which can be downloaded from the Government of Canada here: https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/downloade.web&search1=R=327878. |
| Tags | Sea Level Rise,Projections |
| Geographic Region | Beaufort Delta |
| Release Date | 2021-01-26 |
| Last Modified Date | 2021-02-12 |
| Funding Program |